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<br /> 10-YR So-YR 100- YEAR 100-YEAR 100- YEAR
<br /> GENERAL DATA FLOODPLAIN FLOODPLAIN FLOODPLAIN FLOODWA Y FLOODWAY
<br /> DATA DATA DATA 1/2 FOOT RISE 1 FOOT RISE
<br /> STREAM FLOW WATER FLOW WATER FLOW WATER TOP WATER FLooDWAY WIDTH WATER FLooDWAY WIDTH
<br />IDENTIFICATION CROSS STAT, THALWEG RATE SURFACE RATE SURFACE RATE SURFACE WIDTH SURFACE TOTAL I LEFT I(RIGHT SURFACE TOTAL I( LEFT I,RIGHT
<br /> SECT, (FEET) ELEV. (CFS) ELEV. (CFS) ELEV. (CFS) ELEV. (FEET) ELEV. (FEET) (FEET) (FEET) ELEV. (FEET) (FEET) (FEET)
<br />BULLHEAD GULCH
<br /> 289.6 28960 5249.0 710 5250,8 1170 5251.0 1380 5251.1 380 5251.2 140 88 52 5251.5 98 67 31
<br /> 294,1 29410 5255.8 710 5257,2 1170 5257.5 1380 5257.6 340 5258,0 122 84 38 5258,3 92 69 23
<br /> 298.7 29870 5261.9 710 5263.4 1170 5263.7 1380 5263,9 335 5264.0 125 120 5 5284,2 104 104 0
<br /> 303.3 30330 5270.0 710 5271.9 1170 5272.4 1380 5272,5 460 5272,5 130 65 65 5272.7 84 40 44
<br /> 306.7 30670 5276.0 710 52n.9 1170 5278.3 1380 5278.4 315 5278.4 125 45 80 5278,8 76 26 50
<br />Sou1h Boulder 313,0 31300 5285,9 645 5288.4 1025 5288.5 1190 5288.6 570 5288.7 370 123 247 5288,9 259 67 192
<br />Canyon Ditch 313,6 31360 5283.1 645 5288,7 1025 5289.0 1190 5289.1 375 5289.1 135 85 50 5289.4 80 50 30
<br /> 317.3 31730 5290.7 645 5294.3 1025 5294.8 1190 5294.9 375 5294.9 170 115 55 5295.1 83 79 4
<br />Baseline Road 318,3 31830 5298,5 645 5299.8 1025 5300.1 1190 5300.2 310 5300,5 150 100 50 5300,7 98 79 19
<br /> 318.7 31870 5298.0 645 5300,5 1025 5300.9 1190 5301.1 310 5301.5 165 70 95 5301.9 115 45 70
<br /> 321.9 32190 5300,2 645 5302,0 1025 5302,3 1190 5302,5 260 5302.6 95 40 55 5302.9 67 26 41
<br /> 326.9 32690 5306.0 645 5309.6 1025 5310.0 1190 5310.1 490 5309.5 285 238 47 5310.1 215 183 32
<br />Hi9hway 42 327.7 32770 5315.4 645 5316,5 1025 5316,7 1190 5316.8 385 5317.0 280 249 31 5317.2 250 219 31
<br /> 328.2 32820 5307,2 645 5316.5 1025 5317,0 1190 5317,1 800 5317.6 350 259 91 5317.9 198 159 39
<br /> 334.8 33460 5321. 7 325 5323.8 520 5324,2 600 5324.4 67 5324.4 ... ... ... 5324.4 ... ... ...
<br /> 340,1 34010 5330,7 275 5334.3 450 5334.9 500 5335.0 65 5335.1 ... ... ... 5335,5 ... ... ...
<br /> 344.8 34460 5338.4 275 5339.9 450 5340,1 500 5340.1 305 5340.5 160 28 132 5341.0 112 4 108
<br /> 346,5 34850 5343,0 200 5344,0 300 5344.1 350 5344.1 300 5344.4 70 43 27 5344.5 49 32 17
<br /> 353.8 35380 5350,4 125 5350.8 180 5351.0 250 5351.1 245 5351.4 70 15 55 5351.7 49 4 45
<br />Burlington Northem 357,2 35720 5355,3 125 5356.0 180 5356,0 250 5356.1 150 5356.4 55 35 20 5356.7 35 15 20
<br />Railroad 359.6 35960 5358,3 86 5359.2 135 5359.5 150 5359.6 128 5359.8 40 35 5 5360.0 34 29 5
<br />
<br />. CROSS SECTION WITHIN BOULDER CREEK FLOODPLAIN,
<br />.. FLOOD WAY NOT DEFINED IN SHALLOW FLOODING AREA,
<br />... FLOODWAY WITHIN CONFINED CHANNEL.
<br />
<br />TABLE 8
<br />
<br />CITY OF LAFAYETTE
<br />
<br />CITY OF lOUISVILlE
<br />
<br />FLOOD HAZARD AREA DEUNEATlON
<br />BULLHEAD GULCH
<br />WATERSHEO
<br />
<br />FLOODPLAIN AND FLOODWAY
<br />REFERENCE DATA
<br />
<br />SHEET
<br />4 Of 7
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<br />16
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